to five lines under either the company name (if included) or the complimentary close
your signature is usually written in blue or black ink above the typed name.
The typed business title and department usually follow the typed name
If you are a woman, it is better to add Miss or Mrs. to your name in the signature block. However, "Ms." can be used either for a married or unmarried woman
Reference Symbols
Your initials as dictator of the message and those of your typist, usually appear at the left margin on the same line as the signature block (your name or title) or two spaces below that. However, these are now optional. Among the common forms used are: